171 lines
6.1 KiB
C
171 lines
6.1 KiB
C
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/*
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* Copyright (C) Roman Arutyunyan
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* Copyright (C) Nginx, Inc.
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*/
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#ifndef _NGX_HTTP_V3_H_INCLUDED_
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#define _NGX_HTTP_V3_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_http.h>
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#include <ngx_http_v3_parse.h>
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#include <ngx_http_v3_encode.h>
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#include <ngx_http_v3_uni.h>
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#include <ngx_http_v3_table.h>
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#define NGX_HTTP_V3_ALPN_PROTO "\x02h3"
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#define NGX_HTTP_V3_HQ_ALPN_PROTO "\x0Ahq-interop"
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#define NGX_HTTP_V3_HQ_PROTO "hq-interop"
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#define NGX_HTTP_V3_VARLEN_INT_LEN 4
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#define NGX_HTTP_V3_PREFIX_INT_LEN 11
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#define NGX_HTTP_V3_STREAM_CONTROL 0x00
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#define NGX_HTTP_V3_STREAM_PUSH 0x01
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#define NGX_HTTP_V3_STREAM_ENCODER 0x02
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#define NGX_HTTP_V3_STREAM_DECODER 0x03
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#define NGX_HTTP_V3_FRAME_DATA 0x00
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#define NGX_HTTP_V3_FRAME_HEADERS 0x01
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#define NGX_HTTP_V3_FRAME_CANCEL_PUSH 0x03
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#define NGX_HTTP_V3_FRAME_SETTINGS 0x04
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#define NGX_HTTP_V3_FRAME_PUSH_PROMISE 0x05
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#define NGX_HTTP_V3_FRAME_GOAWAY 0x07
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#define NGX_HTTP_V3_FRAME_MAX_PUSH_ID 0x0d
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#define NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY 0x01
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#define NGX_HTTP_V3_PARAM_MAX_FIELD_SECTION_SIZE 0x06
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#define NGX_HTTP_V3_PARAM_BLOCKED_STREAMS 0x07
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#define NGX_HTTP_V3_MAX_TABLE_CAPACITY 4096
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#define NGX_HTTP_V3_STREAM_CLIENT_CONTROL 0
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#define NGX_HTTP_V3_STREAM_SERVER_CONTROL 1
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#define NGX_HTTP_V3_STREAM_CLIENT_ENCODER 2
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#define NGX_HTTP_V3_STREAM_SERVER_ENCODER 3
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#define NGX_HTTP_V3_STREAM_CLIENT_DECODER 4
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#define NGX_HTTP_V3_STREAM_SERVER_DECODER 5
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#define NGX_HTTP_V3_MAX_KNOWN_STREAM 6
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#define NGX_HTTP_V3_MAX_UNI_STREAMS 3
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/* HTTP/3 errors */
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#define NGX_HTTP_V3_ERR_NO_ERROR 0x100
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#define NGX_HTTP_V3_ERR_GENERAL_PROTOCOL_ERROR 0x101
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#define NGX_HTTP_V3_ERR_INTERNAL_ERROR 0x102
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#define NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR 0x103
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#define NGX_HTTP_V3_ERR_CLOSED_CRITICAL_STREAM 0x104
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#define NGX_HTTP_V3_ERR_FRAME_UNEXPECTED 0x105
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#define NGX_HTTP_V3_ERR_FRAME_ERROR 0x106
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#define NGX_HTTP_V3_ERR_EXCESSIVE_LOAD 0x107
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#define NGX_HTTP_V3_ERR_ID_ERROR 0x108
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#define NGX_HTTP_V3_ERR_SETTINGS_ERROR 0x109
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#define NGX_HTTP_V3_ERR_MISSING_SETTINGS 0x10a
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#define NGX_HTTP_V3_ERR_REQUEST_REJECTED 0x10b
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#define NGX_HTTP_V3_ERR_REQUEST_CANCELLED 0x10c
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#define NGX_HTTP_V3_ERR_REQUEST_INCOMPLETE 0x10d
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#define NGX_HTTP_V3_ERR_CONNECT_ERROR 0x10f
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#define NGX_HTTP_V3_ERR_VERSION_FALLBACK 0x110
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/* QPACK errors */
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#define NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED 0x200
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#define NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR 0x201
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#define NGX_HTTP_V3_ERR_DECODER_STREAM_ERROR 0x202
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#define ngx_http_quic_get_connection(c) \
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((ngx_http_connection_t *) ((c)->quic ? (c)->quic->parent->data \
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: (c)->data))
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#define ngx_http_v3_get_session(c) ngx_http_quic_get_connection(c)->v3_session
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#define ngx_http_v3_get_module_loc_conf(c, module) \
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ngx_http_get_module_loc_conf(ngx_http_quic_get_connection(c)->conf_ctx, \
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module)
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#define ngx_http_v3_get_module_srv_conf(c, module) \
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ngx_http_get_module_srv_conf(ngx_http_quic_get_connection(c)->conf_ctx, \
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module)
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#define ngx_http_v3_finalize_connection(c, code, reason) \
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ngx_quic_finalize_connection((c)->quic ? (c)->quic->parent : (c), \
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code, reason)
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#define ngx_http_v3_shutdown_connection(c, code, reason) \
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ngx_quic_shutdown_connection((c)->quic ? (c)->quic->parent : (c), \
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code, reason)
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typedef struct {
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ngx_flag_t enable;
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ngx_flag_t enable_hq;
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size_t max_table_capacity;
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ngx_uint_t max_blocked_streams;
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ngx_uint_t max_concurrent_pushes;
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ngx_uint_t max_concurrent_streams;
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ngx_quic_conf_t quic;
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} ngx_http_v3_srv_conf_t;
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typedef struct {
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ngx_flag_t push_preload;
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ngx_flag_t push;
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ngx_array_t *pushes;
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} ngx_http_v3_loc_conf_t;
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struct ngx_http_v3_parse_s {
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size_t header_limit;
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ngx_http_v3_parse_headers_t headers;
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ngx_http_v3_parse_data_t body;
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ngx_array_t *cookies;
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};
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struct ngx_http_v3_session_s {
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ngx_http_v3_dynamic_table_t table;
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ngx_event_t keepalive;
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ngx_uint_t nrequests;
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ngx_queue_t blocked;
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ngx_uint_t nblocked;
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ngx_queue_t pushing;
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ngx_uint_t npushing;
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uint64_t next_push_id;
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uint64_t max_push_id;
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uint64_t goaway_push_id;
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uint64_t next_request_id;
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off_t total_bytes;
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off_t payload_bytes;
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unsigned goaway:1;
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unsigned hq:1;
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ngx_connection_t *known_streams[NGX_HTTP_V3_MAX_KNOWN_STREAM];
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};
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void ngx_http_v3_init_stream(ngx_connection_t *c);
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void ngx_http_v3_reset_stream(ngx_connection_t *c);
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ngx_int_t ngx_http_v3_init_session(ngx_connection_t *c);
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ngx_int_t ngx_http_v3_check_flood(ngx_connection_t *c);
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ngx_int_t ngx_http_v3_init(ngx_connection_t *c);
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void ngx_http_v3_shutdown(ngx_connection_t *c);
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ngx_int_t ngx_http_v3_read_request_body(ngx_http_request_t *r);
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ngx_int_t ngx_http_v3_read_unbuffered_request_body(ngx_http_request_t *r);
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extern ngx_module_t ngx_http_v3_module;
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#endif /* _NGX_HTTP_V3_H_INCLUDED_ */
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